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Hardware Setup
Since these projects are involve some soldering I highly recommend to buy a soldering iron before starting assemble it! Personally I'm using a 10$ one from Aliexpress, but since I have to solder SMD parts for the PCBs I've ordered a Soldering station like in the picture 😄
Soldering Iron
Soldering Station 1
Soldering Station 2
Hot Air Soldering Gun
USB TTL adapter
NodeMCU or Wemos D1 Mini
ULN2003 Stepper Controller
28BYJ-48 5V Stepper Motor
BH1750 Light Sensor (with Lens)
Jumper cables
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I2C bus pins for BH1750 Light Sensor on ESP12E/F boards are
GPIO5 - SCL
andGPIO4 - SDA
. If you are using Wemos D1 mini, I2C pins areSCL - D1
andSDA - D2
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This sensor also has an option for resetting to factory default. Long pressing for 10 seconds a button connected to
GPIO0 and GND
will reset the ESP!